RENTH FR SPROC 520 STEEL UL SC 523, 15, 1153493003

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<p>Renthal front sprockets are made from a specially developed nickel-chrome-molybdenum steel that is case-hardened and core-refined to provide the ultimate combination of strength and hardness.</p>
<ul>
<li><strong>Material:</strong> Nickel-chrome-molybdenum steel, case-hardened and core-refined.</li>
<li><strong>ULTRALIGHT:</strong> Extra material machined away to reduce mass. Less rotating mass &rarr; faster engine spin-up and reduced over-run.</li>
<li><strong>GROOVED:</strong> Cut-outs at the tooth base to allow mud to escape from between the chain and chain-wheel.</li>
</ul>
<p>Allowing mud to escape prevents added tension on the chain and the accelerated wear that would follow.<small></small></p>